Complete the pattern: .
Charlotte followed addition and subtraction rules to make a group of subtraction equations.
What do you notice about the differences?
Fill in the blank: In a subtraction expression, if I add a number to the minuend and the subtrahend, the difference stays the same.
Charlotte is investigating patterns in addition sentences with the same sum.
She uses a model to write these expressions which are all equal to 11.
What number is missing?
The first number in each expression follows the pattern add 2.
What pattern do the second numbers follow?
Investigate other expressions that are equal to 11.
Find the missing number.
Two students are making a number pattern that starts at 3 with the rule add 5.
Hannah notices that the units digits are always 3 or 8 and that it follows a repeating pattern: 3, 8, 3, 8. She says that the numbers in the shaded boxes will always have 3 in the units place. Do you agree? Why?
Write the next three terms of the following sequence: .